CVE-2026-42558 Xibo Vulnerable to Stored XSS and Iframe Sandbox Escape via Data Connector Script in DataSet

Xibo is an open source digital signage platform with a web content management system and Windows display player software. Prior to 4.4.2, a vulnerability chain consisting of Stored XSS and Iframe Sandbox escape in the Xibo CMS allows users with DataSet permissions to use the Data Connector...